* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  background: #334261;
  color: #ffffff;
  min-height: 100vh;
  padding: 40px 20px;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

h1 {
  margin-bottom: 10px;
  font-size: 40px;
}

.subtitle {
  margin-bottom: 30px;
  font-size: 18px;
  color: #6b7280;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.image-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  cursor: pointer;
  transition: transform 0.3s ease;
}

.image-card:hover {
  transform: scale(1.03);
}

.image-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
}

.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.modal.show {
  display: flex;
}

.modal-img {
  max-width: 90%;
  max-height: 80vh;
  border-radius: 12px;
}

.close-btn {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 40px;
  color: white;
  cursor: pointer;
}

@media (max-width: 768px) {
  h1 {
    font-size: 32px;
  }

  .subtitle {
    font-size: 16px;
  }

  .image-card img {
    height: 220px;
  }
}